Yadav, Eadalasarath and Thirunavukkarasu, I and Shreesha, C and Shanmuga Priya, S (2018) Relay based identification and control of SISO process –An experimental approach via conical tank. International Journal of Pure and Applied Mathematics, 118 (20). ISSN 1314-3395

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Abstract

Conventional method of model identification for any process involves different trial and error sequence. Relay based model identifications helps to overcome this problem and aids to obtain optimal model. This paper makes contribution of attaining FOPDT models using ideal relay, symmetric relay and asymmetric relay and compared with closed loop model identification of Ziegler Nichols methodology. For all the designed models control design has been carried out using skogestad’s PI tuning technique. It is observed that model using relay is more efficient than conventional techniques and it has been validated by using different performance indices.

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